package qlsl.androiddesign.handler.subhandler;

import java.io.File;
import java.io.FileOutputStream;
import java.io.FilenameFilter;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.io.Writer;
import java.lang.Thread.UncaughtExceptionHandler;
import java.lang.reflect.Field;
import java.text.SimpleDateFormat;
import java.util.Arrays;
import java.util.Date;
import java.util.Properties;

import qlsl.androiddesign.activity.baseactivity.BaseActivity;
import qlsl.androiddesign.application.SoftwareApplication;
import qlsl.androiddesign.library.email.MultiMailsender;
import qlsl.androiddesign.library.email.MultiMailsender.MultiMailSenderInfo;
import qlsl.androiddesign.manager.ActivityManager;
import qlsl.androiddesign.properties.OrderedProperties;
import qlsl.androiddesign.util.commonutil.Log;
import qlsl.androiddesign.util.commonutil.NetUtils;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Build;
import android.os.Looper;
import android.widget.Toast;

import com.qlsl.androiddesign.kuaiwa.R;


/**
 * UncaughtExceptionHandler：线程未捕获异常控制器是用来处理未捕获异常的。 如果程序出现了未捕获异常默认情况下则会出现强行关闭对话框
 * 实现该接口并注册为程序中的默认未捕获异常处理 这样当未捕获异常发生时，就可以做些异常处理操作 例如：收集异常信息，发送错误报告 等。
 * <p>
 * UncaughtException处理类,当程序发生Uncaught异常的时候,由该类来接管程序,并记录发送错误报告.
 * <p>
 * 文件保存在data/data/包名/files下，即卸载程序后会自动清除<br/>
 */
public class CrashHandler implements UncaughtExceptionHandler {
    /**
     * Debug Log Tag
     */
    private final String TAG = "CrashHandler";
    /**
     * CrashHandler实例
     */
    private static CrashHandler INSTANCE;
    /**
     * 程序的Context对象
     */
    private Context mContext;
    /**
     * 系统默认的UncaughtException处理类
     */
    private Thread.UncaughtExceptionHandler mDefaultHandler;
    /**
     * 使用Properties来保存设备的信息和错误堆栈信息
     */
    private Properties mDeviceCrashInfo = new OrderedProperties();
    private final String PACKAGE_NAME = "packageName";
    private final String VERSION_NAME = "versionName";
    private final String VERSION_CODE = "versionCode";
    private final String STACK_TRACE = "STACK_TRACE";
    /**
     * 错误报告文件的扩展名
     */
    private final String CRASH_REPORTER_EXTENSION = "report.txt";

    private CrashHandler() {

    }

    public static CrashHandler getInstance() {
        if (INSTANCE == null) {
            INSTANCE = new CrashHandler();
        }
        return INSTANCE;
    }

    /**
     * 初始化,注册Context对象, 获取系统默认的UncaughtException处理器, 设置该CrashHandler为程序的默认处理器
     */
    public void init(Context ctx) {
        mContext = ctx;
        mDefaultHandler = Thread.getDefaultUncaughtExceptionHandler();
        Thread.setDefaultUncaughtExceptionHandler(this);
    }

    /**
     * 当UncaughtException发生时会转入该函数来处理
     */
    public void uncaughtException(Thread thread, Throwable ex) {
        ActivityManager manager = ActivityManager.getInstance();
        int sleep = 3000;
        if (manager.getActivitySize() == 1) {
            sleep = 2000;
        } else {
            handleException(ex);
        }
        try {
            Thread.sleep(sleep);
        } catch (InterruptedException e) {
            Log.e(TAG, "Error : " + e);
        }
        // 强制退出(不能阻止重启)
        manager.popAllActivity();
        android.os.Process.killProcess(android.os.Process.myPid());

    }

    /**
     * 自定义错误处理,收集错误信息 发送错误报告等操作均在此完成. 开发者可以根据自己的情况来自定义异常处理逻辑
     */
    private boolean handleException(Throwable ex) {
        if (ex == null) {
            return true;
        }
        final String msg = ex.getLocalizedMessage();
        Log.e(msg);
        new Thread() {
            public void run() {
                if (mContext instanceof BaseActivity) {
                    Looper.prepare();
                    BaseActivity activity = (BaseActivity) mContext;
                    activity.showExitToast("发现异常，正在安全退出",
                            R.drawable.iv_exit_icon_1);
                    Looper.loop();
                } else if (mContext instanceof SoftwareApplication) {
                    Looper.prepare();
                    Toast.makeText(mContext, "发现异常，正在安全退出", Toast.LENGTH_LONG)
                            .show();
                    Looper.loop();
                }
            }
        }.start();
        collectCrashDeviceInfo(mContext);
        saveCrashInfoToFile(ex);
        sendCrashReportsToServer(mContext);
        return true;
    }

    /**
     * 收集程序崩溃的设备信息
     */
    public void collectCrashDeviceInfo(Context ctx) {
        StringBuffer sb = new StringBuffer();
        sb.append("正在收集设备信息：<br/>");
        try {
            PackageManager pm = ctx.getPackageManager();
            PackageInfo pi = pm.getPackageInfo(ctx.getPackageName(),
                    PackageManager.GET_ACTIVITIES);
            if (pi != null) {
                mDeviceCrashInfo.put(PACKAGE_NAME, pi.packageName);
                mDeviceCrashInfo.put(VERSION_NAME,
                        pi.versionName == null ? "not set" : pi.versionName);
                mDeviceCrashInfo.put(VERSION_CODE, pi.versionCode + "");
            }
            String SDK_VERSION = android.os.Build.VERSION.RELEASE;
            mDeviceCrashInfo.put("系统版本：", SDK_VERSION + "");
            sb.append("SDK_VERSION:" + SDK_VERSION + "<br/>");
        } catch (NameNotFoundException e) {
            Log.e(TAG, "Error while collect package info:" + e);
        }
        Field[] fields = Build.class.getDeclaredFields();
        for (Field field : fields) {
            try {
                field.setAccessible(true);
                mDeviceCrashInfo.put(field.getName(), field.get(null) + "");
                sb.append(field.getName() + " : " + field.get(null) + "<br/>");
            } catch (Exception e) {
                Log.e(TAG, "Error while collect crash info:" + e);
            }
        }
        Log.d(TAG, sb.toString());
    }

    /**
     * 保存错误信息到文件中
     */
    @SuppressLint("SimpleDateFormat")
    private String saveCrashInfoToFile(Throwable ex) {
        Writer info = new StringWriter();
        PrintWriter printWriter = new PrintWriter(info);
        ex.printStackTrace(printWriter);
        Throwable cause = ex.getCause();
        while (cause != null) {
            cause.printStackTrace(printWriter);
            cause = cause.getCause();
        }
        String result = info.toString();
        Log.e(result);
        printWriter.close();
        mDeviceCrashInfo.put(STACK_TRACE, result);
        try {
            String timestamp = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss")
                    .format(new Date());
            String deviceName = mDeviceCrashInfo.getProperty("MANUFACTURER",
                    "Unknow");
            String fileName = timestamp + "-" + deviceName + "-"
                    + CRASH_REPORTER_EXTENSION;
            FileOutputStream trace = mContext.openFileOutput(fileName,
                    Context.MODE_PRIVATE);
            mDeviceCrashInfo.store(trace, new String("异常报告".getBytes(),
                    "ISO-8859-1"));
            trace.flush();
            trace.close();
            return fileName;
        } catch (Exception e) {
            Log.e(TAG, "an error occured while writing report file:" + e);
        }
        return null;
    }

    /**
     * 把错误报告发送给服务器,包含新产生的和以前没发送的.
     */
    private void sendCrashReportsToServer(Context context) {
        if (NetUtils.isConnected(context)) {
            File[] files = getCrashReportFiles(context);
            if (files != null && files.length > 0) {
                sendReportFileToEmail(files);
            }
        }
    }

    /**
     * 获取错误报告文件
     */
    private File[] getCrashReportFiles(Context ctx) {
        File filesDir = ctx.getFilesDir();
        FilenameFilter filter = new FilenameFilter() {
            public boolean accept(File dir, String name) {
                return name.endsWith(CRASH_REPORTER_EXTENSION);
            }
        };
        return filesDir.listFiles(filter);
    }

    @SuppressWarnings("unused")
    private void postReport(File file) {

    }

    private void sendReportFileToEmail(final File[] files) {
        new Thread() {
            public void run() {
                Log.d("mail", "正在发送邮件：异常报告<br/>文件列表：" + Arrays.asList(files));
                MultiMailSenderInfo mailInfo = new MultiMailSenderInfo();
                //  mailInfo.setMailServerHost("smtp.qq.com");// 网易邮箱: SMTP服务器：smtp.163.com （端口号25）

                mailInfo.setMailServerHost("smtp.163.com");// 网易邮箱: SMTP服务器：smtp.163.com （端口号25）

                mailInfo.setMailServerPort("25");
                mailInfo.setValidate(true);

                //   mailInfo.setUserName("3301436616@qq.com");
                //   mailInfo.setPassword("cunonzupwfgscida");

                mailInfo.setUserName("15771040695@163.com");
                mailInfo.setPassword("zxylovewl1234");

                // mailInfo.setFromAddress("3301436616@qq.com");
                // mailInfo.setToAddress("2939143482@qq.com");

                mailInfo.setFromAddress("15771040695@163.com");
                mailInfo.setToAddress("798231813@qq.com");

                mailInfo.setSubject("异常报告");
                mailInfo.setContent("收到一份来自用户后台发送的异常报告，请查收!");
                mailInfo.setFiles(files);
                String[] receivers = new String[]{"1250393285@qq.com"};
                mailInfo.setReceivers(receivers);
                mailInfo.setCcs(receivers);
                MultiMailsender mailSender = new MultiMailsender();
                mailSender.sendMailtoMultiReceiver(mailInfo);

                deleteLogFiles(files);
            }

            ;
        }.start();

    }

    private void deleteLogFiles(File[] files) {
        Log.d("mail", "正在删除文件：异常报告");
        for (File file : files) {
            file.delete();
        }
    }

    /**
     * 在程序启动时候, 可以调用该函数来发送以前没有发送的报告
     */
    public void sendPreviousReportsToServer() {
        sendCrashReportsToServer(mContext);
    }

}
